package Jama.util;public class Maths {    /** sqrt(a^2 + b^2) without under/overflow. * */    public static double hypot(double a, double b) {        double r;        if (Math.abs(a) > Math.abs(b)) {            r = b / a;            r = Math.abs(a) * Math.sqrt(1 + r * r);        } else if (b != 0) {            r = a / b;            r = Math.abs(b) * Math.sqrt(1 + r * r);        } else {            r = 0.0;        }        return r;    }}